Abstract: A retainer for securing a flangeless cargo liner within a truck bed compartment such that the top rail of the truck bed compartment is unobstructed. In a first embodiment, the retainer includes a cup-shaped insertable portion having an outwardly extending rim around the periphery of its open end. A series of adjustment openings are located on one of the sides of the insertable portion for receiving a fastener. The retainer is inserted through an aperture in one of the liner walls and the fastener is inserted into one of the adjustment openings for engagement against a ledge wall of the truck bed compartment. In a modified form, the insertable portion of the retainer is generally triangular in cross-section to permit easier access between the installation tool and fastener.

Abstract: A peristaltic pumping mechanism comprises a pump housing for holding a peristaltic drive means and adapted to support the drive motor for the peristaltic means. The mechanism further comprises a base member formed with an orifice having a periphery with a plurality of protrusions positioned therealong. The base member receives the housing in the orifice with a lip on the housing resting on the protrusions. The mechanism further comprises a cover which has an edge and a plurality of grips positioned along its edge for insertion between the periphery of the orifice and the lip of the housing to engage the grips with the base member and clampingly hold the housing and its associated peristaltic mechanism between the cover and the base member.

Abstract: A clamp to receive a protective sheet and retain that sheet in position over an object. The clamp has a first member having first and second ends and a second member also having first and second ends. There is a hinge joining the first and second members at their first ends. The first and second members are spaced from each other at a portion intermediate the first and second ends. A clamp extends between the two intermediate portions to force the two intermediate portions towards each other. At the first end of the first and second members the members can be clamped to retain the sheet. The clamp has a shaped portion on one member and a correspondingly shaped portion on the other member. There are projections formed on the shaped portion on one member and recesses to receive those projections formed on the correspondingly shaped portion on the other member.

Abstract: This invention is a cautery hemostatic unit which is deliverable through endoscope and used for stopping hemorrhage by cauterizing bleeding wound, is to be attached to the distal extremity of sheath, and forms a gutter-like nozzle which communicates with water channel of the above-mentioned sheath in direction of outer axis of cautery probe wherein a thermal element is incorporated, and the angle of this nozzle is set so that water may be jetted out linearly along the direction of the outer axis of probe. This unit fixes the main unit that composes the above-mentioned probe and a cap with a joint connector which permits freely jointing and disconnecting.

Abstract: A valve and handle assembly is disclosed for controlling the flow of breathing oxygen from lightweight oxygen cylinders. The valve provides a stem extending from the valve formed with a plurality of barbs which provide ramps and shoulders. The stem also provides opposed wrenching flats. A handle formed of polyvinyl chloride or the like is provided with a through bore having ramps and shoulders proportioned to mate with ramps and shoulders on the stem. The handle also provides opposed flats. The handle is sufficiently elastically deformable to allow it to be assembled on the stem by axial movement. After assembly, the shoulders on the handle engage shoulders on the stem to permanently secure the handle in position. When installed, the handle returns to a substantially unstressed condition so that crack-inducing stresses do not exist in the material forming the handle and a permanent, strong connection is provided between the handle and the stem.

Abstract: A fastening arrangement for first and second plate members whereby the plates are permanently interlocked in a flush manner. The first plate member has an open loop depending strap portion pierced therefrom adapted to be engaged in an elongated frusto-conical sectioned raised slot in the second plate member. The parts are of predetermined dimensional relationship such that upon upper and lower die members flattening the depending strap portion engaged in the raised elongated slot the plate members are permanently interlocked in a flush manner.

Abstract: This invention discloses an improvement in and relating to the banisters of baby carriage, in which three segments of banisters, i.e., left-hand banister, right-hand banister and front banister, are engaged in a locking relationship in such way that the front banister may be freely assembled and disassembled at front ends of left-hand and right-hand side banisters. The assembling and disassembling procedures are simple and convenient. Moreover, after the front banister is disassembled the left-hand and right-hand side banisters keep a smooth and neat appearance without any other accompanying disassembled elements.

Abstract: The connecting device for housing-shaped elements and the application thereof to the making of housings for air conditioning systems for vehicles is characterized in that one of the elements has a projecting lip (8) thereon, while the other element has a receiving flange for the projecting lip (8) bearing (14) and retaining (19, 21) means being provided alternately between the projecting lip (8) and the receiving flange.

Abstract: A sewing machine presser foot with a shank and a sole plate wherein the shank carries at its lower end a spherical portion extending into a complementary socket of the sole plate so that the latter is free to swivel about several intersecting axes which pass through the center of the spherical portion. A U-shaped spring couples the sole plate to the shank and limits the extent of movability of the sole plate with reference to the shank, either alone or by cooperating with two transversely extending stubs which are provided on the shank at the opposite sides of the spherical portion and extend, with freedom of vertical movement, into slots which are machined into two lateral walls of the sole plate.

Abstract: A coupling device for enabling a coupling hook to be attached with a coupling pin of a heavy agricultural implement, wherein transverse bores extend through the coupling pin and through a slip-on sleeve and a catch ball on the coupling pin with an axial securement pin extending through the aligned transverse bores, the axial securement pin having its opposite ends extending into an annular groove formed on the inner side of the catch ball aligned with the transverse bore formed therein.

Abstract: A gear is retained on a shaft over a reduced diameter portion of the shaft intermediate the ends thereof. An axially extending bore through the gear is received by the reduced diameter portion of the shaft, the portions of the shaft positioned outboardwardly of the gear defining axially opposed integral retention walls for axially fixing the gear on the reduced diameter portion.

Abstract: There is disclosed a ball cup for a ball bearing with a shaft and with a hollow space for the reception of a ball head accessible by way of an entrance opening, in the case of which at a distance from the wall of the hollow space at least two slits are provided symmetrically in relation to the hollow space and essentially in longitudinal direction of the shaft in such a way that in the case of the introduction of the ball head through the introducing opening into the hollow space, the bridges located between the wall of the hollow space and the slits may be shifted to the outside in a radial direction based on the bridges narrowing the entrance opening and that they will again shift in a radial direction inward after introduction of the ball head into the hollow space.

Abstract: A tool for setting a fastener which includes a pin having a plurality of grooves adapted to be gripped by a plurality of jaws in a nose assembly of the tool with the jaws being resiliently held in flexible pockets in a manner maintaining the jaws in a desired axial and radial alignment with each other and with the fastener grooves and with the jaws being selectively movable into and out of the pockets whereby manual insertion and replacement is facilitated.

Abstract: A boss of a pulley is provided with interference lobes which are directed radially inwardly and which, upon assembly, bear against the surfaces of a non-circular shaft and cause consequential deformation of the boss. This ensures a continued pressure between the boss and the shaft which can result in firm retention of the pulley to the shaft, notwithstanding the inherent dimensional instability of polymeric material.

Abstract: A slingshot for an arrow is provided and consists of a long barrel open at both ends secured to the top portion of a handgrip and a device secured to the handgrip for propelling the arrow through the barrel.

Abstract: A connector and diaphragm assembly can be interchangeably used in either of two types of vacuum-actuated automobile control systems. The connector which is seated in the closed end of a bell-shaped diaphragm is, in turn, connected to one of two types of linking elements that operate the control system. Deflating the diaphragm moves the connector thereby moving a linking element into one of two positions. The connector has a recessed neck portion and a head with a threaded hole therein. In a first automobile control mechanism, the recessed neck receives a forked linking element. In a second automobile control mechanism, the threaded opening of the connector receives a threaded rod which serves as the linking element. The same connector can be interchangeably employed with either type of linking element.

Abstract: A torque joint for transmission of force in both longitudinal and circumferential direction about thin-wall tubular torque tubes is provided by overlapping an inner one of said tubes and an outer one of said tubes, inserting a mandrel having longitudinal and circumferential slots therein, applying a deformation force for pressing the tubular members into the slots of the mandrels, and extracting at least a portion of the mandrel to provide the torque joint. In the case wherein two open-ended tubular members are employed, two mandrel elements of the same form are utilized, the two mandrel elements being withdrawn from the opposite ends of the joint upon completion of assembly of the joint. In the event that one of the tubular elements is closed ended, a retaining ring is utilized as one of the mandrel elements, in which case only one mandrel element is withdrawn while the ring remains captured between a circumferential groove of the joint and the closed end of the tube.

Abstract: A pipe connector which comprises a tubular box member that is telescopically engageable with a tubular pin member, the members having corresponding frusto-conical inner and outer peripheral surfaces which overlie one another when the members are fully engaged together. To axially lock the members together, the frusto-conical surfaces are provided with pairs of interengageable annular projections and grooves. The projections and grooves have varying axial extents and spacings so that, as the members are telescoped together, in all intermediate positions of the members, there is sufficient contact between crests of the grooves and surfaces between the projections to prevent inadvertent premature engagement of a projection with a groove.

Abstract: A valve actuator including a link arm having an adjustable wedge shaped aperture mounted in a circumferial recess of a coupling shaft having a wedge shaped cross-section in the circumferial recess. A coupling clamp is adjustably mounted in a second circumferial recess of the coupling shaft to secure a valve shaft received in an axial recess of the coupling shaft.

Abstract: A blow-out preventer for attachment with a tubular member of a well for containing well pressures within the well as needed, having a body adapted to receive a ram body mounted therein for movement between an open and closed position. The preventer further includes an actuator body member mounted with the body adjacent the ram bore and having urging means therewith for urging the ram body between such open and closed positions and alignment means with the actuator body member and the ram body for ensuring proper alignment and positioning of the ram body with respect to the ram bore and the axial bore of the tubular member. The actuator body member has fastening means that fits into connecting means in the preventer body. The two bodies are secured by securing means installed in said connection means and engaging said fastening means.

Abstract: A pneumatic or gas spring includes a cylinder filled with gas under pressure and a piston which is slidably movable in the cylinder, the piston being fitted at the end of a rod which is gastightly and slidably guided through a closure bottom of the cylinder. The piston rod is lockable in its extreme extension position out of the cylinder by means of a snap ring fitted on the piston rod which cooperates with a localized constriction or step protruding inwardly from the cylinder wall adjacent its rod guide bottom, the snap ring having an external diameter intermediate between the inner diameters of the cylinder and the constriction or step.

Abstract: A garden hose storage apparatus is particularly adapted for mounting on a substantially vertical surface and includes a side mount. The side mount has a base adapted for attachment to a substantially vertical surface and a cantilever journal is formed integral with the base. An elongated pipe is fixed in the cantilever journal and extends outwardly from the journal. A hose reel is rotatably mounted on the journal and has its axis of rotation substantially coincidental with the longitudinal axis of the pipe. An out tube is releasably connected to the pipe and has a connector adapted for connecting the out tube to a garden hose. A lock releasably connects the reel to the longitudinal pipe to retain the reel on the journal. Release of the lock allows the reel to be removed from the journal.

Abstract: A method of securing a metallic gear on a metallic shaft provides an improved axial retention of the gear on the shaft in particularly severe applications, as encountered in gear pumps. The method involves plastic deformation of the annular interface regions defined at the external junctions of a gear and shaft by the application of compressive forces over same, after the gear has been secured onto the shaft by conventional methods. The preferred practice of the method first includes the steps of radially retaining the gear on the shaft via shrink fit procedures which include heating the gear, cooling the shaft, inserting the shaft into the bore of the gear, and allowing the temperatures of the gear and shaft to equalize.

Abstract: A quick coupling apparatus is provided for interchanging any number of vehicle body units on a single vehicle chassis when each of the body units and the chassis has a pair of parallel longitudinal standardly spaced beams whereby the beams of the body unit will overlie and be supported by the chassis beams when the components are coupled. The coupling apparatus has a plurality of hook-type tabs spacedly positioned on the sides of the body beams and a corresponding number of coupling brackets mounted on the sides of the chassis beams. Each of the coupling brackets being capable of receiving a tab and securing the body unit to the chassis when the body is moved slightly in a longitudinal coupling direction. At least one of the coupling brackets having an enclosing outer plate which forms a retaining slot which can receive a wedge behind the tab for locking the tab and body in position with respect to the chassis.

Abstract: Means for securing a machine element such as a bearing assembly on a shaft member or the like provided with an annular groove comprising an angular ring (14) having a radially outwardly directed leg portion (15) which abuts against an axial end face of the inner ring component to be secured and an axial leg portion (16) which is pressed into the annular groove (17) of the shaft or the like at least at a plurality of circumferentially spaced locations about its periphery.

Abstract: The present invention relates to a method for fixing an annular element onto a shaft. The shaft may be a camshaft and the annular element may be a cam piece or a journal piece used in an automobile. The annular element is fixed onto the shaft by: engaging an axially extending projection of the element with an axially extending groove of the shaft so as to prevent a relative rotating motion; deforming an outer wall of the shaft adjacent to said groove at two positions near the terminating ends of the projection so that the outer wall protrudes into the groove, thereby fixing the element onto the shaft.

Abstract: The combination of a crank arm having a crank pin, a drive link carrying a bushing receiving the crank pin, and a retainer clip adapted to coact with the bushing and crank pin to retain the crank arm and linkage arm in assembled relationship. The clip may be preassembled to the bushing before the crank pin is inserted through the bushing. If so, as the crank pin is inserted through the bushing, a pilot portion on the crank pin is effective to radially spread the clip until a retaining groove on the crank pin becomes aligned with the clip. The clip then snaps into the groove and interlocks the bushing and crank pin against substantial axial displacement relative to one another.

Abstract: A braking blade for a ski brake adapted particularly for skiing in deep snow, which blade is arranged at the end of a braking arm of a ski brake, which braking arm consists preferably of a spring wire, and is held secured against a loss, wherein the blade, viewed in the width dimension, is divided by the braking arm into a smaller braking surface which is adjacent the ski and into a larger braking surface which is remote from the ski, which braking surfaces have, in the retracted position of the ski brake, a position which is approximately parallel with respect to the longitudinal axis of the ski and in the braking position of the ski brake are arranged substantially perpendicularly with respect to the longitudinal axis of the ski.

Abstract: A disposable razor has its head formed with a rearwardly directed pocket to receive the forward portion of the head of a second razor to its rear, so as to protect the cutting edge or edges of the second razor. The razors are firmly but releasably interengaged with each other by co-operating projections and recess.

Abstract: The invention provides a lightweight, economical rack steering mechanism comprising a booster pressure cylinder having a piston mounted on a toothed rack engaged by a pinion carried by an end closure element secured to the cylinder which has an end closure element at its opposite end. The rack extends in each direction out of the closure ends which effect housings for respective cylinder ends. The rack ends have connection to steering linkage means. The particularly novel feature is the use of lightweight metal, e.g., aluminum tubing, for the pressure cylinder. The mode of securing is by means of a corrugation adjacent each end of the cylinder which effects means in conjunction with locking or securing nuts and clamping or locking rings for fastening the housing ends to the cylinder. The aluminum tubing is protected against abrasive and twisting effect of nut tightening by arranging the securing nuts to abut the clamping rings which abut respective tubing corrugations nonrotatively.

Abstract: This invention relates to a threaded pinch-bolt sleeve which is utilized in conjunction with an associated retaining nut to hold a replacement shock absorber within the cylindrical housing of a vehicular suspension system of the type commonly referred to as a MacPherson strut suspension system. The sleeve includes a generally cylindrical main body portion which is placed over the upper portion of the cylindrical housing. A pinch bolt attached to the outer side wall of the main body portion is tightened to secure the sleeve to the cylinder. The upper end of the sleeve is provided with either internal or external threads to receive a retaining nut to hold the replacement shock absorber in the associated cylindrical housing.

Abstract: A drive member in a printer is radially oriented and linearly positioned in the fastening thereof on a shaft at one of a plurality of selected positions. The shaft has a flat portion which receives a hub of the drive member, the hub conforming in shape with the shaft and having a tongue portion thereof fitting along the flat portion of the shaft with the tongue portion being flexibly supported and having a lip engageable with grooves or slots in and across the flat portion of the shaft.

Abstract: A pulley comprises a hub and a pair of generally annular sheet metal members having central openings for receiving a portion of the hub and oppositely faltered margins for defining a groove to accommodate a belt. The hub includes a shouder portion of sufficient axial length to extend through the openings of the sheet metal members. A leading end part of the shoulder portion is flared over upon insertion through the openings for grippingly engaging the first and second sheet metal members. A plurality of radially alternating lands and grooves in the hub axially trail the shoulder portion, and a radial array of alternating slots and projections in the first and second sheet metal member openings engage the lands and grooves. Alternatively, a generally annular welding plate is provided having a central opening including a plurality of inward projections for engaging the hub grooves, and a plurality of welding projections for weldable attachment to one of the sheet metal members.

Abstract: A corner structure for use in assembling and dismantling frames for screens, etc., includes two extruded members to be joined to each other at a 90.degree. angle and a corner piece. Each extruded member has an X-shaped cross section with lips at the ends of the cross members forming lipped channels. The corner piece is in the shape of a right triangle and is provided with pairs of flanges extending longitudinally along two sides of the triangle. The flanges are longitudinally insertable into the lipped channels.

Abstract: A high voltage dropout type expulsion fuse has a lower trunnion assembly mounted on one end and a fuse release assembly mounted on the other end thereof. To assure the proper positional relationship between the trunnion assembly and the fuse release assembly, the fuse housing has a locating boss at one end adapted to engage and position the trunnion assembly and a positioning slot formed in the other end adapted to engage and position the fuse release assembly. The locating slot and boss must be properly positioned with respect to one another to assure the proper positional relationship of the trunnion assembly and the fuse release assembly. The lower locating boss is integrally formed on the wall of a metallic ferrule by extruding a portion of the wall into the cavity of a die to form an integral locating boss. This integral boss cannot cause the leakage of moisture into the interior of the fuse.

Abstract: One basic method for forming a bubble cap assembly held together with a hold-down stud for sealing a hole in a tray deck comprises (1) forming an inner tubular sleeve having a lower flanged end telescopic with the inner surface of a tubular riser having a lower flanged end, and (2) sealing the lower flanged ends of both the telescopic tubular riser and the inner tubular sleeve with gasket means to the upper and lower peripheral surfaces around the hole for providing a double seal between the tray deck and the bubble cap assembly, for minimizing leakage, and for assuring proper alignment of the bubble cap assembly relative to the tray deck.

Abstract: A structure having a close-fitting opening for freely receiving a shaft is secured to the shaft, usually for rotation therewith, by attachment, as by bolting, to a securement plate that has an opening therethrough with a main shaft-receiving portion and an auxiliary portion, the latter being extended laterally from the main portion and defined by respective rectilinear rail formations which intercept the main portion of the opening and have been slid into and snugly received by respective grooves provided in diametrically opposite sides of the shaft.

Abstract: Robots or industrial automatons comprising each: standard modules assembled like a meccano construction, said modules being adapted to perform the requisite basic functions and comprising a module of translation, a module of rotation of 2 k .pi., a module of rotation of less than 2 k .pi., a member consisting for example of a head having several axes, said standard modules being interconnected by means of arms sawed to the desired length before assembling the component elements of the robots.

Abstract: A plough share made of metal having at least two spaced tongues pressed out of the metal and projecting rearwardly at an angle, the two tongues being adapted to engage in complementary holes formed in the frog of a plough. The plough share also has holes therein, these being formed by the tongues being pressed outwardly therefrom. These holes are covered by a reinforcement plate, which is attached to the side of the plough share opposite to the side to which the frog is to be attached.

Abstract: Overlapping ends of metal strap, or the like, are aligned and connected without the aid of an overlying supplemental seal or fastener by means of an array of longitudinally spaced joints which form a one-way interlocking relationship. The joints comprise juxtaposed protuberances formed by slits in the strap ends, integral with the overlapping strap segments, which override each other as the interlocking relationship is formed. A protuberance in the array on one of the strap ends is formed to additionally function as an integral anti-disengagement stop. This protuberance has an upturned corner forming a protruding tongue which, upon shifting of the joined overlapping lengths of metal strap relative to each other in a direction tending to disengage the joints, abuts a portion of the protuberance in a corresponding slit of the other strap to provide a stop preventing disengagement.

Abstract: The invention concerns a turbine shaft having stepped bearings on which ds are shrunk on. It is characterized in that the connecting surface between two successive bearings consists of two conical portions separated by a cylindrical portion and toroidal connecting portions between the cylindrical portion and the conical portions. The invention reduces the concentrations of stresses and applies more particularly to elastic fluid turbine shafts.

Abstract: A cross arm hanger support is disclosed and adapted to be attached to a gym set pipe of 2 inch OD or 21/2 OD for suspending therefrom a hanger for a swing glider, pendulum seesaw, lawn glider, and the like. The support includes a cross arm and a clamp each of which have at least one set screw to prevent rotation of the support relative to the pipe. The cross arm is slit to provide for expansion of the same when it is applied to a 21/2 inch OD pipe.

Abstract: A manual cultivator tool including a handle, a U-shaped blade, a tubular member provided with spaced flattened end portions having similar intermediately disposed bends therein, and a pair of separate handle attaching elements assembled into a final construction in which the tubular member interengages with the free ends of the legs of the U-shaped blade to form a strong annular structure and the attaching elements provide for both connection with the handle and the annular structure in such a way as to effect a limited tilting movement of the horizontal earth penetrating blade portion of the annular structure.

Abstract: A load lifting band with an overload indicator includes a junction for strip material which is particularly useful for joining the ends of a strip of material so as to form a closed band for lifting heavy loads. The junction consists of a pair of overlapping sheet-like sections provided with interconnecting parts. The interconnecting parts each include a plurality of slits and corresponding sheet portions extending from the general plane of the respective section, the sheet portions of one of the sections each cooperating with a pair of slits in the other section so as to prevent separation of the sections in response to a force tending to move the same apart. The slits in each of the sections are divided into two sets each of which includes at least two groups of laterally spaced slits. The number of slits in one group is greater than that in the corresponding other group.